html {
  position: relative;
  min-height: 100%;
}
body {
  margin-bottom: 20px;
}
.logo {
 color: #4188B4;
 font-family: Comic Sans,Comic Sans MS,cursive;
}
.btn-xlarge {
    padding: 10px 20px;
    font-size: 25px;
    border-radius: 8px;
}
.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 20px;
  background-color: #f5f5f5;
}